ALMA Observations of a Candidate Molecular Outflow in an Obscured Quasar

摘要: We present Atacama Large Millimeter/Submillimeter Array (ALMA) CO (1-0) and (3-2) observations of SDSS J135646.10+102609.0, an obscured quasar ultra-luminous infrared galaxy (ULIRG) with two merging nuclei a known 20-kpc-scale ionized outflow. The total molecular gas mass is M_{mol} ~ 9^{+19}_{-6} x 10^8 Msun, mostly distributed in compact rotating disk at the primary nucleus (M_{mol} 3 Msun) extended tidal arm 5 Msun). one most massive features known; we suggest that it due to lower chance shock dissociation this elliptical/disk merger. In spatially resolved data, find (r 0.3 kpc) high velocity (v 500 km/s) red-shifted feature addition rotation N nucleus. propose outflow as likely explanation for gas. outflowing 7 10^7 Msun short dynamical time t_{dyn} 0.6 Myr yield very rate \dot{M}_{mol} 350 Msun/yr can deplete million years. low star formation (< 16 from content < 21 far-infrared spectral energy distribution decomposition) inadequate supply kinetic luminosity (\dot{E} 10^43 erg/s). Therefore, active galactic nucleus, bolometric 10^46 erg/s, powers momentum boost (\dot{p}/(Lbol/c) 3) than typical outflows associated AGN, which may be related its compactness. are distinct bursts induced by episodic AGN activity varies on scale yr.